: a synthetic compound GaAs used especially as a semiconducting material
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Prinano said its technology supports wafer-level production of photonic chips and can be applied to optical communication and sensing devices based on gallium arsenide, indium phosphide, and silicon photonics.—Neetika Walter, Interesting Engineering, 11 June 2026 Vector Photonics has developed PCSELs made of indium phosphide and indium gallium arsenide phosphide that a commercial fab could reproduce and manufacture reliably.—IEEE Spectrum, 7 May 2026 Because its aluminum gallium arsenide semiconductor diode uses light for photovoltaic power, the MOTE can transmit its neuro-electric data via red and infrared lasers beam directly through the brain without inflicting harm, and without needing wires or tethering.—New Atlas, 6 Nov. 2025 The increase is attributed to higher demand for indium phosphide (InP) and gallium arsenide (GaAs) substrates.—Quartz Intelligence Newsroom, Quartz, 14 Mar. 2025 See All Example Sentences for gallium arsenide